The difference between pulse and wave is

Question

$\begin{array}{1 1} (a)\;\text{Pulse is a continuous disturbance and wave is a short disturbance} \\ (b)\; \text{Pulse is a short disturbance and wave is a long disturbance} \\ (c)\; \text{Pulse is transverse in nature and wave is longitudinal} \\ (d)\; \text{Pulse is longitudinal and wave is transverse} \end{array}$